title: A ball inside the abdomen?
authors.affiliation: Division of Hematology/Oncology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC.
authors.forename: Yu-Guang
authors.initials: YG
authors.lastname: Chen
authors.forename: Chang-Hsien
authors.initials: CH
authors.lastname: Liu
authors.forename: Chih-Hao
authors.initials: CH
authors.lastname: Shen
mesh_terms: D034861:Abdominal Wall; D000369:Aged, 80 and over; D003560:Cysts / Q000000981:diagnostic imaging*; D005548:Foreign-Body Migration / Q000000981:diagnostic imaging*; D006801:Humans; D006850:Hydrocephalus, Normal Pressure / Q000601:surgery*; D008297:Male; D040521:Subcutaneous Tissue; D014463:Ultrasonography; D017287:Ventriculoperitoneal Shunt / Q000009:adverse effects*